Question

length of a rectangular tank is twice its breadth if the depth of tank is 3 m and area of its four walls is 108 m. square find the length of the tank

Answer 1

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here is ur answer ➖➖➖➖➖➖➖⬇

let breadth = x 
let length. = 2x 
depth. = 3m
area of fourwall = 108m^2
so , breadth. =
2(2x + x) 3. = 108
6 x 3x. = 108
3x. = 18
x. = 6m
so, length. = 2x = 6x2
= 12m

hope it helps uhhh.....

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Answer 2

Answer

Length= 2b

Breadth= b

Depth/height= 3m

Area of four walls=108m^2

Area of four walls=2(l+b)h

108=2(2b+b)3

108=18b

Breadth= 6m

Therefore, length= 2b=2*6= 12 m

Hope it helps you....!!!

Pls mrk as brainliest....^__^